R251W thermostat



FIG. 1 is a perspective view of a R251W thermostat showing my new design;

FIG. 2 is a bottom plan view of the invention;

FIG. 3 is a top plan view of the invention;

FIG. 4 is a left side plan view of the invention;

FIG. 5 is a right side plan view of the invention;

FIG. 6 is a front elevation view of the invention; and,

FIG. 7 is a back elevation view of the invention. 

The ornamental design for a R251W thermostat, as shown and described. 